From patchwork Thu Jan 24 23:07:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 10780275 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B53591399 for ; Thu, 24 Jan 2019 23:09:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A4D372FB0A for ; Thu, 24 Jan 2019 23:09:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 996532FB12; Thu, 24 Jan 2019 23:09:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D7C12FB0A for ; Thu, 24 Jan 2019 23:09:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728389AbfAXXJW (ORCPT ); Thu, 24 Jan 2019 18:09:22 -0500 Received: from mga03.intel.com ([134.134.136.65]:21167 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727639AbfAXXI3 (ORCPT ); Thu, 24 Jan 2019 18:08:29 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Jan 2019 15:08:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,518,1539673200"; d="scan'208";a="313295741" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.69]) by fmsmga006.fm.intel.com with ESMTP; 24 Jan 2019 15:08:23 -0800 From: Keith Busch To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org Cc: Greg Kroah-Hartman , Rafael Wysocki , Dave Hansen , Dan Williams , Keith Busch Subject: [PATCHv5 02/10] acpi: Add HMAT to generic parsing tables Date: Thu, 24 Jan 2019 16:07:16 -0700 Message-Id: <20190124230724.10022-3-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190124230724.10022-1-keith.busch@intel.com> References: <20190124230724.10022-1-keith.busch@intel.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The Heterogeneous Memory Attribute Table (HMAT) header has different field lengths than the existing parsing uses. Add the HMAT type to the parsing rules so it may be generically parsed. Cc: Dan Williams Reviewed-by: Rafael J. Wysocki Signed-off-by: Keith Busch --- drivers/acpi/tables.c | 9 +++++++++ include/linux/acpi.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 967e1168becf..d9911cd55edc 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -51,6 +51,7 @@ static int acpi_apic_instance __initdata; enum acpi_subtable_type { ACPI_SUBTABLE_COMMON, + ACPI_SUBTABLE_HMAT, }; struct acpi_subtable_entry { @@ -232,6 +233,8 @@ acpi_get_entry_type(struct acpi_subtable_entry *entry) switch (entry->type) { case ACPI_SUBTABLE_COMMON: return entry->hdr->common.type; + case ACPI_SUBTABLE_HMAT: + return entry->hdr->hmat.type; } return 0; } @@ -242,6 +245,8 @@ acpi_get_entry_length(struct acpi_subtable_entry *entry) switch (entry->type) { case ACPI_SUBTABLE_COMMON: return entry->hdr->common.length; + case ACPI_SUBTABLE_HMAT: + return entry->hdr->hmat.length; } return 0; } @@ -252,6 +257,8 @@ acpi_get_subtable_header_length(struct acpi_subtable_entry *entry) switch (entry->type) { case ACPI_SUBTABLE_COMMON: return sizeof(entry->hdr->common); + case ACPI_SUBTABLE_HMAT: + return sizeof(entry->hdr->hmat); } return 0; } @@ -259,6 +266,8 @@ acpi_get_subtable_header_length(struct acpi_subtable_entry *entry) static enum acpi_subtable_type __init acpi_get_subtable_type(char *id) { + if (strncmp(id, ACPI_SIG_HMAT, 4) == 0) + return ACPI_SUBTABLE_HMAT; return ACPI_SUBTABLE_COMMON; } diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 7c3c4ebaded6..53f93dff171c 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -143,6 +143,7 @@ enum acpi_address_range_id { /* Table Handlers */ union acpi_subtable_headers { struct acpi_subtable_header common; + struct acpi_hmat_structure hmat; }; typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);